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@ 2018-11-09T20:41:52Z

<?php

echo 'Getting reference to a variable that is not yet set.' . "\n";
$ampA = &$a;
for ($a = 0; $a < 10; $a++) {
    echo $ampA . ', ';
}

echo "\n\n";

$i = 0;

echo 'Getting reference to an existing scalar variable.' . "\n";
$ampI = &$i;
for ($i = 0; $i < 10; $i++) {
    echo $ampI . ', ';
}

echo "\n\n";

$arr = array();

echo 'Getting reference to an existing array.' . "\n";
$ampArr = &$arr;
for ($i = 0; $i < 10; $i++) {
    $arr['i'] = $i;
    echo $ampArr['i'] . ', ';
}

echo "\n\n";

$secondArr = array();

echo 'Getting reference to an array element that does not exist yet.' . "\n";
$ampSecondArrJ = &$secondArr['j'];
for ($i = 0; $i < 10; $i++) {
    $secondArr['j'] = $i;
    echo $ampSecondArrJ . ', ';
}

echo "\n\n";

$foreachedArr = array();
$ampForeachedVal = &$foreachedVal;
$foreachedArr = [[0],[1],[2],[3],[4],[5],[6],[7],[8],[9]];

echo 'Getting reference to a value created by a foreach.' . "\n";

foreach ($foreachedArr as $foreachedVal) {
    echo $ampForeachedVal[0] . ', ';
    
}

Output for git.master, git.master_jit, rfc.property-hooks: Getting reference to a variable that is not yet set. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, Getting reference to an existing scalar variable. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, Getting reference to an existing array. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, Getting reference to an array element that does not exist yet. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, Getting reference to a value created by a foreach. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,

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Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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